Treehouse of Horror
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50 free Treehouse of Horror trivia questions with answers — trivia quiz, new questions added Oct 2026.
Every autumn since its second season, The Simpsons has thrown out its own rulebook for one night. The Treehouse of Horror specials kill off the family, hand Springfield to aliens and zombies, and spoof whatever horror and science fiction the writers love most, all outside the show's normal continuity. This quiz covers the stories fans remember best from the early years, the films, books and TV episodes being parodied, the guest stars who dropped in, and the traditions around the specials, from Marge's warnings to the joke names in the credits. A few questions reach into the more recent episodes and the merchandise. It is written for anyone who grew up watching the Halloween episodes, with plenty of easy wins for casual viewers and a handful of deep cuts for people who know their Kang from their Kodos.
30 of 50 questions with answers and explanations. Play the quiz
Q 01In Treehouse of Horror IV, what does Homer sell his soul to the Devil for at the power plant?
A donut
A donut is the whole price, and Homer nearly cheats the deal by leaving the last bite uneaten. At his trial, Marge saves him from Hell with a photo from their wedding day.
Q 02Which horror film is spoofed in Treehouse of Horror V when Homer goes mad as a winter caretaker?
The Shining
The Shining becomes the tale of a mountain lodge whose owner cuts off the cable TV and the beer, which tips Homer over the edge. Entertainment Weekly ranked the episode ninth best of the whole series.
Q 03Which broken appliance does Homer turn into a time machine in Treehouse of Horror V?
A toaster
A toaster flings Homer back to prehistoric times, where swatting a single mosquito rewrites the present. The plot spoofs Ray Bradbury's short story A Sound of Thunder.
Q 04Which two presidential candidates do Kang and Kodos impersonate in Treehouse of Horror VII?
Clinton and Dole
Clinton and Dole are released by Homer, who then accidentally ejects them into space. The unmasked aliens point out that a two-party system still forces voters to pick one of them, and Kang wins.
Q 05Which James Bond actor voices the robotic house that falls for Marge in Treehouse of Horror XII?
Pierce Brosnan
Pierce Brosnan is one of three celebrity voices the Ultrahouse offers, and Marge picks him because he was in Remington Steele. The smitten house then tries to kill Homer.
Q 06Which Edgar Allan Poe poem is acted out in the first Treehouse of Horror, with Homer in the lead role?
The Raven
The Raven casts Bart as the bird and Marge as the lost Lenore in a portrait. Matt Groening was nervous about the segment, fearing it would be the most pretentious thing the show had done.
Q 07Which talk show host tries to settle the fight over Maggie's alien father in Treehouse of Horror IX?
Jerry Springer
Jerry Springer voices himself and urges everyone to do what is best for Maggie, only for her to attack and kill him. Bart had suggested his show as the place to resolve things.
Q 08Which holiday got its own Treehouse of Horror-style spin-off episode in The Simpsons' 31st season?
Thanksgiving
Thanksgiving of Horror grew from producer Matt Selman's idea of remaking Apocalypto with turkeys. It aired about a month after that year's regular Halloween special.
Q 09In Treehouse of Horror VIII, Bart uses a matter transporter to swap heads with which creature?
A fly
A fly ends up wearing Bart's head after he steps into the machine Homer bought at a yard sale. The story borrows from the film The Fly, including the telepod design of the 1986 remake.
Q 10Fox's coverage of which event has often pushed Treehouse of Horror premieres past Halloween?
The World Series
The World Series first bumped the special in 2000, when Treehouse of Horror XI premiered on November 1. A later episode joked about it by opening with Christmas decorations.
Q 11What is the name of Bart's evil twin, hidden in the attic in Treehouse of Horror VII?
Hugo
Hugo was chained up and fed fish heads after the conjoined brothers were separated at birth. A scar on the wrong side then shows that Bart was the evil one all along.
Q 12Which Springfield character appears as the Devil to claim Homer's soul in Treehouse of Horror IV?
Ned Flanders
Ned Flanders is the Devil, a casting joke on the most devout man in town. He agrees to give Homer a trial, then packs the jury with the damned, among them Blackbeard and Benedict Arnold.
Q 13Whose Pennsylvania castle hides a vampire's lair in Treehouse of Horror IV?
Mr. Burns
Q 21The names of the aliens Kang and Kodos in Treehouse of Horror are borrowed from which TV series?
Star Trek
Star Trek had a Klingon captain called Kang and a human villain known as Kodos the Executioner. The Simpsons' drooling pair debuted in the first Halloween special, abducting the whole family.
Q 22Which TV action star, playing herself, is kidnapped by Comic Book Guy in Treehouse of Horror X?
Lucy Lawless
Lucy Lawless is snatched from a science fiction convention by Comic Book Guy's villain alter ego, The Collector, who intends to marry her. Bart and Lisa come to the rescue as superheroes.
Q 23Which film director made the monster-packed opening sequence of Treehouse of Horror XXIV?
Guillermo del Toro
Mr. Burns plays the Count in a spoof of the film Bram Stoker's Dracula, and Lisa finds his memoir Yes, I Am a Vampire in the basement. Killing him changes nothing, because Marge is the head vampire.
Q 14Which giant movie monster does Homer play in a black-and-white spoof in Treehouse of Horror III?
King Kong
King Kong is the model, except that this ape tires out two storeys up a skyscraper and ends the story by marrying Marge. Matt Groening counts the segment among his all-time favourites.
Q 15A talking doll of which TV star tries to kill Homer in Treehouse of Horror III?
Krusty the Clown
Krusty the Clown dolls come with a switch, and a repairman finds this one set to evil. Flipped to good, the doll makes friends with Homer and is soon put to work as his servant.
Q 16Which wish-granting object does Homer buy on a trip to Morocco in Treehouse of Horror II?
A monkey's paw
A monkey's paw grants the family four wishes, and the vendor's warning of misfortune proves right. Lisa asks for world peace, which leaves a disarmed Earth easy prey for an alien invasion.
Q 17Which book series is spoofed in Treehouse of Horror XII when Bart and Lisa attend a school of magic?
Harry Potter
Harry Potter is the target, with a villain named Lord Montymort scheming to drain Lisa's magic powers. Bart defeats him by stabbing his shin, the source of all his magic.
Q 18Which animals conquer Springfield in Treehouse of Horror XI after Lisa frees a marine park's star?
Dolphins
Dolphins rise up because Snorky, the performer Lisa set loose, is secretly their ruler and raises an army against humanity. The story spoofs The Day of the Dolphin and The Birds.
Q 19Which tech scare does Homer fail to prevent in Treehouse of Horror X, wrecking the whole world?
The Y2K bug
The Y2K bug strikes because Homer, the nuclear plant's compliance officer, neglected the plant's machines. The episode aired two months before the real date rollover.
Q 20Whose job does Homer inherit in Treehouse of Horror XIV simply by trying on a robe?
The Grim Reaper
The Grim Reaper is killed after coming for Bart, so nobody on Earth can die until Homer puts on the robe. Homer begs out of the job when he is ordered to take Marge.
Guillermo del Toro crammed in nods to classic horror and to his own films, ending with Lisa in a send-up of the finale of Pan's Labyrinth. Critics acclaimed the sequence.
Q 24Whose radio play panics 1930s Springfield in Treehouse of Horror XVII just as real aliens invade?
Orson Welles
Orson Welles and his 1938 War of the Worlds broadcast cause mass panic, so the town ignores the real attack even when he turns up to say this one is no act. Maurice LaMarche supplies the voice.
Q 25A rigged voting machine keeps rejecting Homer's vote for which candidate in Treehouse of Horror XIX?
Barack Obama
Barack Obama is Homer's pick, but the machine keeps registering John McCain and finally kills Homer to hide the truth. The scene leaked online weeks before the episode aired.
Q 26The ghosts in Treehouse of Horror XXV are the Simpsons' earlier selves from which 1980s series?
The Tracey Ullman Show
The Tracey Ullman Show versions of the family return as ghosts, and the living Marge kills herself to compete with her ghostly double for Homer. In the end Homer chooses his modern-day wife.
Q 27Which cartoon are Bart and Lisa zapped into by a plutonium-powered remote in Treehouse of Horror IX?
Itchy & Scratchy
Itchy & Scratchy chase the pair right out of the cartoon and into a live-action scene with Regis Philbin and Kathie Lee Gifford. Marge had taken the batteries out to stop them watching.
Q 28Which slasher villain waits on the couch with Jason Voorhees in Treehouse of Horror IX's opening?
Freddy Krueger
Freddy Krueger is voiced by Robert Englund, the actor who played him in the Nightmare on Elm Street films. The two killers wait in vain, because the family never make it to the living room.
Q 29Which musical inspired the Treehouse of Horror XX story where Moe brews beer with Homer's blood?
Sweeney Todd
Sweeney Todd gave the Halloween specials their first musically themed segment, presented as a stage show. Moe uses Homer's absence to woo Marge while his rival slowly bleeds in the basement.
Q 30Which manga series is parodied in an anime-styled segment of Treehouse of Horror XXXIII?
Death Note
Death Note becomes Death Tome, with Lisa finding a book that kills anyone whose name is written in it. The segment was animated by DR Movie, a South Korean studio that worked on the original anime.